Sentences with phrase «global background levels»

Data collected in recent months from Boston and San Francisco show concentrations of up to 30 parts per million, more than 15 times global background levels.

Mapping methane plumes on the streets of Boston and San Francisco paints a picture of «clean» streets with few natural gas leaks, and more common «dirty» streets where methane concentrations can be more than 15 times global background levels.

Not exact matches

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Volcanoes provide natural background levels of sulfur dioxide that need to be taken into account when studying the global atmosphere and regional effects.

Atmospheric concentrations of carbon dioxide gradually returned to near - background levels over a similar timescale to global temperatures.

MARKET WIRE - Oct 4 - Wymoo International, a background check company, reported that activity for global background checks at the firm is up sharply compared to 2009 levels.

The Global Cities Education Network benchmarks internationally informed practices that enable urban systems to provide the vast majority of students with the opportunity to attain high - level skills, regardless of their cultural or economic background.

His visionary approach and inner urge for a in depth search of new ideas are his drive in forming a worldwide platform for facilitating artists in their creativity and for bringing it as a close and personal experience to the global audience of all backgrounds, cultures, interests and levels.

Very stormy background due to chaotic distribution of cold and hot regions (icebergs from disintegrated ice sheets, and high levels of atmospheric CO2), due to global deglaciation.

The most common indicator is the atmospheric background CO2 concentration, the global mean temperature, the global mean sea level, and the area with snow or Arctic sea ice.

Global calculations determine the background in which regional models are applied, but they don't have the same level of detail or use as many variables.

Nevertheless, global temperatures were less then than they were in 2015 — and that is because background heating caused by increasing carbon dioxide levels in the atmosphere are higher today than they were in 1997 - 98.»

General conclusion: never measure at locations with huge diurnal variation, if the intention is to calculate a «global» or «background» CO2 level, as that has always a positive bias of variable magnitude, depending of local release / uptake and wind speed / diurnal turbulence changes.

Indeed, Tata's background report was followed by a high - level conference that discussed it, and then the publication of Global Carbon Budgets and Equity in Climate Change, an extremely interesting and forthright set of conference papers and post-conference reflections.

An increase in CO2 from current levels causes a rise in global temperatures that is so small that it can not be detected against the background of natural noise.

Jim Cripwell writes: «An increase in CO2 from current levels causes a rise in global temperatures that is so small that it can not be detected against the background of natural noise.»

«The global warming influence provides a new background level that increases the risk of future enhancements in hurricane activity,» Trenberth says.

This, in turn, occurred against a background of global warming linked to rising carbon dioxide levels in the atmosphere.

It was Callendar who first used meteorological data to construct a global temperature time series; who first established the background concentration level of atmospheric CO2 and identified an anthropogenic increase; and who was instrumental in bringing thirty years of advances in spectroscopy to bear on climate studies.

I started a web page (yet far from ready), to explain that the «background» CO2 levels measured at Mauna Loa and other base stations have a real, global meaning.

As the market for background screening grew at the turn of the last century, A-Check America began to expand our reach by offering services to employers at a global level.

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Employment Screening Resources ® (ESR) is a leading global background check provider than can help HR professionals screen job applicants in the entry - level screening process.

I have an extensive background in: * Personnel and Project Management (Multi-year, local, Global) * Executive level communications and presentations * Database research,...

Senior level, forward thinking project management professional with a strong IT background and 15 years of on - time, on - budget delivery of Global Enterprise scale engagements.

A leading global manufacturer of high precision components is looking to recruit a hands - on Maintenance Technician with a background in engineering to achieve the very highest levels of maintenance on a variety of plant, equipment and facilities.

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About Blog For over 40 years MTI has been a global leader in mobile device display technologies, developing solutions that deliver the highest level of merchandising security for consumer electronics and mobile enterprise applications allowing products, sales and service to be the focus, while security operates efficiently in the background.